| Rank | Median Age ▲ | School District / Population |
| 1. | 23.10 | Fort Campbell Schools / 6,152 |
| 2. | 29.00 | Murfreesboro City Elementary School District / 108,955 |
| 2. | 29.00 | Rutherford County School District in Murfreesboro / 108,955 |
| 4. | 30.50 | Montgomery County School District / 166,179 |
| 5. | 33.00 | Memphis City School District / 646,889 |
| 6. | 33.20 | Lenoir City School District / 8,639 |
| 7. | 33.80 | Dayton City Elementary School District / 7,191 |
| 7. | 33.80 | Rhea County School District in Dayton / 7,191 |
| 9. | 33.90 | Nashville-Davidson County School District / 626,681 |
| 10. | 34.60 | Rutherford County School District / 153,649 |
| 11. | 34.80 | Cleveland City School District / 41,285 |
| 12. | 35.90 | Bells City School District / 3,710 |
| 12. | 35.90 | Putnam County School District / 72,321 |
| 12. | 35.90 | Crockett County School District in Bells / 3,710 |
| 15. | 36.20 | Chester County School District / 17,131 |
| 16. | 36.40 | Lauderdale County School District / 27,815 |
| 16. | 36.40 | Bedford County School District / 45,058 |
| 18. | 36.50 | Coffee County School District in Manchester / 10,046 |
| 18. | 36.50 | Manchester City School District / 10,046 |
| 20. | 36.60 | Tipton County School District / 61,081 |
| 21. | 36.80 | Jackson-Madison Consolidated School District / 98,294 |
| 22. | 36.90 | Johnson City School District / 59,688 |
| 23. | 37.00 | Weakley County School District / 35,021 |
| 24. | 37.20 | Williamson County School District in Franklin / 35,693 |
| 24. | 37.20 | Franklin Special School District / 35,693 |
| 24. | 37.20 | Lebanon Special School District / 29,695 |
| 24. | 37.20 | Knox County School District / 432,226 |
| 24. | 37.20 | Wilson County School District in Lebanon / 29,695 |
| 29. | 37.50 | Dyersburg City School District / 17,133 |
| 30. | 37.60 | Robertson County School District / 66,283 |
| 31. | 38.00 | Shelby County School District / 280,755 |
| 32. | 38.10 | Scott County School District / 19,182 |
| 33. | 38.20 | Gibson County School District / 18,363 |
| 34. | 38.30 | Richard City Special School District / 963 |
| 34. | 38.30 | Lake County School District / 7,832 |
| 34. | 38.30 | Oneida Special School District / 3,046 |
| 37. | 38.40 | Maury County School District / 80,956 |
| 37. | 38.40 | McKenzie Special School District / 7,421 |
| 39. | 38.60 | Sumner County School District / 160,645 |
| 40. | 38.70 | Dickson County School District / 49,666 |
| 40. | 38.70 | Macon County School District / 22,248 |
| 42. | 38.80 | Williamson County School District / 147,489 |
| 43. | 38.90 | Marshall County School District / 30,617 |
| 44. | 39.10 | Maryville City School District / 27,451 |
| 44. | 39.10 | McMinn County School District in Athens / 13,458 |
| 44. | 39.10 | Athens City Elementary School District / 13,458 |
| 47. | 39.20 | Lexington City Elementary School District / 7,652 |
| 47. | 39.20 | Hardeman County School District / 27,253 |
| 47. | 39.20 | Henderson County School District in Lexington / 7,652 |
| 47. | 39.20 | Union City School District / 10,832 |
| 47. | 39.20 | Haywood County School District / 18,787 |
| 52. | 39.30 | Cheatham County School District / 39,105 |
| 52. | 39.30 | Hamilton County School District / 336,463 |
| 52. | 39.30 | Warren County School District / 39,839 |
| 55. | 39.50 | Trousdale County School District / 7,870 |
| 56. | 39.60 | Hamblen County School District / 62,544 |
| 57. | 39.70 | Lawrence County School District / 41,869 |
| 58. | 39.80 | Morgan County School District / 21,987 |
| 59. | 39.90 | Henderson County School District / 20,117 |
| 59. | 39.90 | Wilson County School District / 84,298 |
| 59. | 39.90 | Smith County School District / 19,166 |
| 59. | 39.90 | Elizabethton City School District / 14,176 |
| 63. | 40.00 | Hickman County School District / 24,690 |
| 63. | 40.00 | Milan City Special School District / 10,732 |
| 65. | 40.10 | Union County School District / 19,109 |
| 66. | 40.20 | Alamo Town School District / 4,226 |
| 66. | 40.20 | Tullahoma City School District / 17,312 |
| 66. | 40.20 | Crockett County School District in Alamo / 4,226 |
| 66. | 40.20 | Bradley County School District / 57,678 |
| 70. | 40.40 | Alcoa City School District / 8,335 |
| 71. | 40.50 | Dyer County School District / 21,202 |
| 72. | 40.60 | Coffee County School District / 25,438 |
| 72. | 40.60 | Sequatchie County School District / 14,112 |
| 74. | 40.80 | Monroe County School District in Sweetwater / 11,998 |
| 74. | 40.80 | Jefferson County School District / 51,407 |
| 74. | 40.80 | Sweetwater City School District / 11,998 |
| 77. | 40.90 | Sevier County School District / 89,889 |
| 77. | 40.90 | Wayne County School District / 17,021 |
| 79. | 41.00 | DeKalb County School District / 18,723 |
| 80. | 41.10 | Cocke County School District in Newport / 6,945 |
| 80. | 41.10 | Claiborne County School District / 32,213 |
| 80. | 41.10 | Rhea County School District / 24,618 |
| 80. | 41.10 | Newport City Elementary School District / 6,945 |
| 80. | 41.10 | Trenton Special School District / 8,670 |
| 80. | 41.10 | Washington County School District / 63,291 |
| 86. | 41.20 | Lewis County School District / 12,161 |
| 87. | 41.30 | Franklin County School District / 41,052 |
| 88. | 41.40 | Crockett County School District / 6,650 |
| 88. | 41.40 | Grundy County School District / 13,703 |
| 88. | 41.40 | Cannon County School District / 13,801 |
| 88. | 41.40 | Lincoln County School District / 26,534 |
| 92. | 41.60 | McNairy County School District / 26,075 |
| 92. | 41.60 | Overton County School District / 22,083 |
| 94. | 41.70 | Campbell County School District / 40,716 |
| 95. | 41.80 | Houston County School District / 8,426 |
| 96. | 41.90 | Fayette County School District / 38,413 |
| 96. | 41.90 | Humphreys County School District / 18,538 |
| 96. | 41.90 | Monroe County School District / 32,521 |
| 99. | 42.00 | White County School District / 25,841 |
| 99. | 42.00 | Huntingdon Special School District / 7,470 |
| 101. | 42.10 | Humboldt City School District / 8,374 |
| 101. | 42.10 | Grainger County School District / 22,657 |
| 101. | 42.10 | Giles County School District / 29,485 |
| 101. | 42.10 | Bristol City School District / 26,441 |
| 105. | 42.20 | Henry County School District in Paris / 11,665 |
| 105. | 42.20 | Paris City Special School District / 11,665 |
| 105. | 42.20 | Bradford Special School District / 3,544 |
| 105. | 42.20 | Hawkins County School District / 49,559 |
| 109. | 42.30 | Blount County School District / 87,224 |
| 109. | 42.30 | Bledsoe County School District / 12,876 |
| 109. | 42.30 | McMinn County School District / 35,318 |
| 109. | 42.30 | Fentress County School District / 17,959 |
| 113. | 42.40 | Obion County School District / 20,975 |
| 113. | 42.40 | Marion County School District / 27,274 |
| 115. | 42.50 | Anderson County School District / 39,017 |
| 115. | 42.50 | Polk County School District / 16,825 |
| 115. | 42.50 | Greeneville City School District / 15,111 |
| 118. | 42.60 | Greene County School District / 53,720 |
| 119. | 42.80 | Stewart County School District / 13,324 |
| 120. | 42.90 | South Carroll Special School District / 2,542 |
| 120. | 42.90 | Hawkins County School District in Rogersville / 4,420 |
| 120. | 42.90 | Rogersville Town Elementary School District / 4,420 |
| 120. | 42.90 | Hancock County School District / 6,819 |
| 120. | 42.90 | Carter County School District / 43,248 |
| 120. | 42.90 | Meigs County School District / 11,753 |
| 126. | 43.10 | Hollow Rock-Bruceton Special School District / 3,926 |
| 126. | 43.10 | Perry County School District / 7,915 |
| 128. | 43.20 | Clinton City Elementary School District / 9,841 |
| 128. | 43.20 | Anderson County School District in Clinton / 9,841 |
| 130. | 43.30 | Cocke County School District / 28,717 |
| 130. | 43.30 | Johnson County School District / 18,244 |
| 130. | 43.30 | Moore County School District / 6,362 |
| 133. | 43.50 | Oak Ridge City School District / 29,330 |
| 133. | 43.50 | Hardin County School District / 26,026 |
| 135. | 43.60 | McMinn County School District in Etowah / 3,490 |
| 135. | 43.60 | Etowah City Elementary School District / 3,490 |
| 137. | 43.70 | Fayetteville City Elementary School District / 6,827 |
| 137. | 43.70 | Lincoln County School District in Fayetteville / 6,827 |
| 139. | 43.80 | Sullivan County School District / 84,038 |
| 140. | 43.90 | Kingsport City School District / 49,198 |
| 141. | 44.20 | West Carroll Special District / 7,163 |
| 142. | 44.30 | Decatur County School District / 11,757 |
| 143. | 44.50 | Van Buren County School District / 5,548 |
| 144. | 44.60 | Roane County School District / 51,122 |
| 145. | 44.70 | Jackson County School District / 11,638 |
| 146. | 44.90 | Unicoi County School District / 18,313 |
| 147. | 45.10 | Clay County School District / 7,861 |
| 148. | 45.30 | Henry County School District / 20,665 |
| 149. | 45.50 | Benton County School District / 16,489 |
| 150. | 47.20 | Pickett County School District / 5,077 |
| 151. | 48.30 | Cumberland County School District / 56,053 |
| 152. | 48.60 | Loudon County School District / 39,917 |
Please note that we only rank locations with 'Median Age' data. The rank above might not be a complete list. Locations without 'Median Age' data are not listed.
